#用函数启用多线程
import _thread
import time

#为线程定义一个函数
def print_time(threadName,delay):
    count=0
    while count<5:
        time.sleep(delay)
        count+=1
        print ("%s: %s" % ( threadName, time.ctime(time.time()) ))

try:
    _thread.start_new_thread(print_time, ("Thread-1", 2)) 
    _thread.start_new_thread(print_time, ("Thread-2", 4)) 
except:
    print("error:无法启动线程")

while 1:
    pass    